reverse-linked-list-ii

Reverse Linked List II

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reverseBetween

Given the <code>head</code> of a singly linked list and two integers <code>left</code> and <code>right</code> where <code>left &lt;= right</code>, reverse the nodes of the list from position <code>left</code> to position <code>right</code>, and return the reversed list.

&nbsp;
Example 1:
<img alt="" src="https://assets.leetcode.com/uploads/2021/02/19/rev2ex2.jpg" style="width: 542px; height: 222px;" />
<pre>
Input: head = [1,2,3,4,5], left = 2, right = 4
Output: [1,4,3,2,5]
</pre>

Example 2:

<pre>
Input: head = [5], left = 1, right = 1
Output: [5]
</pre>

&nbsp;
Constraints:

<ul>
	<li>The number of nodes in the list is <code>n</code>.</li>
	<li><code>1 &lt;= n &lt;= 500</code></li>
	<li><code>-500 &lt;= Node.val &lt;= 500</code></li>
	<li><code>1 &lt;= left &lt;= right &lt;= n</code></li>
</ul>

&nbsp;
Follow up: Could you do it in one pass?

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